[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024
     Phylum "Actinobacteria" Garrity and Holt 2001 see Phylum Actinobacteria Goodfellow 2012 nom. inval.
       Class "Actinobacteria" Stackebrandt et al. 1997 nom. illeg. see Class Actinomycetes Krassilnikov 1949 (Approved Lists 1980)
         Subclass Actinobacteridae Stackebrandt et al. 1997 see Class Actinobacteria Stackebrandt et al. 1997 nom. illeg.
           Order Actinomycetales Buchanan 1917 (Approved Lists 1980)
             Suborder Streptosporangineae (sic) Ward-Rainey et al. 1997 see Suborder Streptosporangiineae corrig. Ward-Rainey et al. 1997
               Family Thermomonosporaceae Rainey et al. 1997
                 Genus Thermopolyspora (ex Krassilnikov and Agre 1964) Goodfellow et al. 2005
                   1 Thermopolyspora flexuosa (Meyer 1989) Goodfellow et al. 2005